Following page lists various days of celebration/mourning/remembrance of

Shi'a Shia Islam is the second-largest branch of Islam. It holds that Muhammad designated Ali ibn Abi Talib () as both his political successor ( caliph) and as the spiritual leader of the Muslim community ( imam). However, his right is understoo ...

Muslim Muslims () are people who adhere to Islam, a Monotheism, monotheistic religion belonging to the Abrahamic religions, Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God ...

Twelvers

The following is a list of days of celebration/mourning/remembrance as observed by

Twelver Twelver Shi'ism (), also known as Imamism () or Ithna Ashari, is the Islamic schools and branches, largest branch of Shia Islam, Shi'a Islam, comprising about 90% of all Shi'a Muslims. The term ''Twelver'' refers to its adherents' belief in twel ...

Shia Muslims:

References

Jaffery Welfare Trust: 2009 Islamic calendar
{{Muslimholidays History of Shia Islam Lists of observances